Let Hₙ be the (2n+1)-dimensional Heisenberg group, let p,q ≥ 1 be integers satisfying p+q=n, and let , where X₁,Y₁,...,Xₙ,Yₙ,T denotes the standard basis of the Lie algebra of Hₙ. We compute explicitly a relative fundamental solution for L.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm145-2-4, author = {T. Godoy and L. Saal}, title = {On the relative fundamental solutions for a second order differential operator on the Heisenberg group}, journal = {Studia Mathematica}, volume = {147}, year = {2001}, pages = {143-164}, zbl = {0974.43002}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm145-2-4} }
T. Godoy; L. Saal. On the relative fundamental solutions for a second order differential operator on the Heisenberg group. Studia Mathematica, Tome 147 (2001) pp. 143-164. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm145-2-4/